The Malian Foreign Affairs Minister, Moktar Ouane, who happened to be in Paris on an official visit, arrived at the scene a few hours later.
He tried to comfort Gagni while expressing sadness at the loss of eight Malians.
http://news.bbc.co.uk/2/hi/europe/4189840.stmWhat is the meaning of 'who happened to be in Paris' in the above?
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I have heard people use the words 'happen to be'.
What is the meaning of the follow:
I met a person at the conference who happened to be a friend of Martin.
It seems the words 'happen to be' have different meanings